adaptive torque-ripple minimization
Adaptive Control for Torque Ripple Minimization in PM Synchronous Motors
... proposed adaptive controller succeeded to enhance the ripples as well as the dynamic characteristics in comparison with the PI proposed ...the adaptive controller and ...which torque pulsations can ...
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NOVEL TECHNIQUES FOR TORQUE RIPPLE MODELING AND MINIMIZATION IN PERMANENT MAGNET MACHINES
... the torque ripple of a SPM machine based on the normalized EMF coefficients and cogging torque obtained through offline ...tests. Minimization of both the rms current and torque ...
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Electromagnetic Torque Ripple Minimization of Slotted Doubly-Salient-Permanent-Magnet Generator for Wind Turbine Applications
... In order to minimize torque ripples, we ο¬rst consider the structural approach. This leads to reaching various proper combinations of stator and rotor teeth that will give the minimum torque ripples. The ...
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Assessment of torque ripple minimization techniques for aircraft switched reluctance machine starter/generator
... the ripple caused by commutations (overlap ...of torque ripple which has much higher frequency than commutation torque ...the torque ripple caused by hysteresis band, the ...
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Torque ripple minimization of switched reluctance motor using model predictive controller technique
... Control, Adaptive Speed and current control of SRM based on generalized Minimum Variance Controller, Fuzzy Logic and Neural Networks, Model Predictive Control ...
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Reduction of Torque Ripple method for Small Inductance Brushless DC Motor
... Brushless dc motor is most widely used in automotive applications specially on vehicle fuel pumps, due to its high efficiency, small size less maintenance when compare to brush dc motor. Using hall sensor mounted on a ...
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Torque Ripple Minimization and PFC of BLDC Motor Drive Using Bridge Less LUO Converter Mr Sriperambudur Naga Santosh Kumar & Mr G Jagadeesh
... In the BL Luo converter for VSI fed BLDC motor drive has been designed for achieving a unity power factor at AC mains for the development of low cost PFC motor for numerous low power equipments such fans, blowers, water ...
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Reduced Torque and Flux Ripple by Hysteresis Band based Bus Clamped Direct Torque Control of Induction Motor
... level torque hysteresis band control based bus clamping DTC (2L THB BCDTC) of induction motor is ...band torque control based bus clamping DTC (4L THB BCDTC) is proposed and the performance results are ...
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Fuzzy Logic based Torque Ripple Minimization and PFC of BLDC Drive using Bridgeless- Lou Converter
... Abstract- A PFC based BL-Luo converter-fed BLDC motor drive has been proposed for a wide range of speeds and supply voltages. A single voltage sensor-based speed control of the BLDC motor using a concept of variable dc- ...
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Fuzzy Logic based Torque Ripple Minimization and PFC of BLDC Drive using Bridgeless- Luo Converter
... Abstract- A PFC based BL-Luo converter-fed BLDC motor drive has been proposed for a wide range of speeds and supply voltages. A single voltage sensor-based speed control of the BLDC motor using a concept of variable dc- ...
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Improving the Torque Characteristics of Interior PM Synchronous Motor Using an Asymmetric on-off Method on the Rotor Surface
... The optimization process is done for the current of 2 A and current angle of 20 deg. To be sure that the process is working well for other operational points, three current levels for various angles is considered. Fig. ...
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Isolated Zeta Converter for BLDC Motor Control with Hysterises Current Controller for Torque Ripple Minimization
... [8] BoussadBoukais, HoucineZeroug, Tizi-Ouzou, Algeria Houari-Boumediene, βMagnet Segmentation for Commutation Torque Ripple Reductionin a Brushless DC Motor Drive,β IEEE TRANSACTIONS ON MAGNETICS, vol. 46, ...
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Fuzzy Logic Control Based Torque Ripple Minimization in Brushless DC Motor using Modified SEPIC Converter
... In this project a fuzzy logic topology based on Modified SEPIC converter is analyzed for reducing commutation torque ripple in BLDCM drives. The reduction in voltage and current stress of the main switches ...
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THREE PHASE SWITCHED RELUCTANCE MOTOR DRIVE WITH IMPROVEMENT IN TORQUE RIPPLE
... the torque ripple in this motor depend upon more than one parameter (angle of firing ,form of current and flux) and these parameter internally depends upon each ...improving torque ripple is ...
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Torque Ripple Minimization of Switched Reluctance Motor by Implementing Model Predictive Control Strategy with IGBT Switching Converter Technique
... Four distinct induction regions emerge: ANGLES REGION π β π 1 and π 4 β π 5 No overlapping π 1 β π 2 Poles overlapping π 2 β π 3 Complete overlapping π 3 β π 4 Partial overlapping IV. TORQUE EQUATION OF SRM Basic ...
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Direct torque control of brushless DC drives with reduced torque ripple
... The utility of the foregoing application of DTC to a BLDC drive has been validated by simulations and measurements on two surface-mounted magnet brushless motors, whose parameters are given in Table II, the motors having ...
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A New Approach for BLDC Motor Performance with Diode Clamped and Cascaded H-Bridge Multilevel Inverter
... Torque ripple produced in BLDC motor due to freewheeling of inactive phases and commutation ...smoothness.Torque ripple can be minimized by two techniques, they are improve motor design and motor ...
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The Influence of DC-Link Voltage on Commutation Torque Ripple of Brushless DC Motors with Two-Segment Pulse-width Modulation Control Method
... Given the fact that ripple magnitude of phase current and also, torque has an inverse relationship with PWM frequency, increasing of this frequency is desired. On the other hand, since PWM maximum frequency ...
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A Novel Globally Optimized Instantaneous Torque Ripple Minimization Method in Switched Reluctance Motors with Matrix Converter Drives
... equal torque sharing between adjacent phases which is usually the 50% overlap by increasing the duration of conduction angle ...the ripple by providing some additional torque near discontinuity to ...
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Torque ripple minimization of a BLDC motor drive by using electronic commutation and speed, current controllers
... In three-phase BLDC motor drives trapezoidal back emf can be obtained by energizing only two phases and the third one remains in off state at any instant of time. As such, only two switches of the inverter are in ...
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